Παραπομπή σε μορφή APA (7η εκδ.)

SMITH, G. W. (1979). Engineering Economy Analysis Of Capital Expenditures Gerald W. Smith. The IOWA State University Pres.

Παραπομπή σε μορφή Chicago (17η εκδ.)

SMITH, Gerald W. Engineering Economy Analysis Of Capital Expenditures Gerald W. Smith. The IOWA State University Pres, 1979.

Παραπομπή σε μορφή MLA (8th εκδ.)

SMITH, Gerald W. Engineering Economy Analysis Of Capital Expenditures Gerald W. Smith. The IOWA State University Pres, 1979.